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公开(公告)号：US10513344B2
公开(公告)日：2019-12-24
申请号：US15294298
申请日：2016-10-14
IPC分类号： B01D46/42 , B01D71/48 , F02C7/04 , F02C7/047 , F02C7/143 , F02C7/05 , B64D41/00 , F04B39/16 , F02B53/14 , F01C13/04 , F02B33/34 , F02B39/04 , F02M35/04 , F01C1/22
摘要： An auxiliary power unit assembly for an aircraft, including an engine assembly including an internal combustion engine, a first duct in fluid communication with an inlet of the internal combustion engine and configured to be in fluid communication with an environment of the aircraft, and a second duct configured to be in fluid communication with the environment. The second duct may be in fluid communication with an inlet of a compressor drivable by the internal combustion engine or with a compartment receiving the engine assembly. A filter extends across the first duct. The filter is removable from the first duct through an opening in a wall of the first duct, the opening accessible from an exterior of the engine assembly.
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公开(公告)号：US10508626B2
公开(公告)日：2019-12-17
申请号：US15294247
申请日：2016-10-14
摘要： An inlet assembly for an auxiliary power unit for an aircraft, including a duct configured to provide fluid communication from an environment of the aircraft to an inlet of an engine of the auxiliary power unit, and a filter received in and extending across the duct. The filter includes a first filter portion permeable to air, positioned across only part of the duct and defining a transverse edge in the duct; a second filter portion permeable to air and extending from the transverse edge to an end downstream of the transverse edge, and a collection member impermeable to water. The collection member extends between the downstream end and a duct wall. The first and second filter portions are non-parallel and the second filter portion and the collection member are non-parallel. An auxiliary power unit assembly and a method of feeding air to an internal combustion engine are also discussed.
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公开(公告)号：US10927791B2
公开(公告)日：2021-02-23
申请号：US16359152
申请日：2019-03-20
发明人： Andre Julien , Jean Thomassin , Maxime Courtois , Bruno Villeneuve , Richard Ullyott , Serge Dussault , Luc Dionne , Serge Lafortune , Anthony Jones , Behzad Hagshenas , David H. Menheere
IPC分类号： F02K1/38 , B64D41/00 , F01C1/22 , F02K5/00 , F02C5/00 , F02C7/14 , F02C7/18 , F02B63/04 , F02B63/06 , F02B67/04 , F01C21/18 , F01N3/05 , F01P5/02 , F01P11/10 , F02B53/02 , F02K1/82 , F02B53/00
摘要： An engine assembly for an aircraft, including an internal combustion engine having a liquid coolant system in fluid communication with a heat exchanger, an exhaust duct in fluid communication with air passages of the heat exchanger, a fan in fluid communication with the exhaust duct for driving a cooling air flow through the air passages of the heat exchanger and into the exhaust duct, and an intermediate duct in fluid communication with an exhaust of the engine and having an outlet positioned within the exhaust duct downstream of the fan and upstream of the outlet of the exhaust duct. The outlet of the intermediate duct is spaced inwardly from a peripheral wall of the exhaust duct. The engine assembly may be configured as an auxiliary power unit. A method of discharging air and exhaust gases in an auxiliary power unit having an internal combustion engine is also discussed.
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公开(公告)号：US20240230448A1
公开(公告)日：2024-07-11
申请号：US18094189
申请日：2023-01-06
摘要： A method is provided for manufacturing. This method includes: providing a rotating structure rotatable about an axis, the rotating structure comprising a shaft; measuring a plurality of physical parameters of the shaft; computationally modeling the rotating structure using the physical parameters to determine a correction to balance rotation of the rotating structure about the axis; and physically altering the rotating structure according to the correction.
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公开(公告)号：US10508628B2
公开(公告)日：2019-12-17
申请号：US15294285
申请日：2016-10-14
IPC分类号： B01D45/08 , B01D45/02 , B01D46/42 , F02C3/073 , F02C7/05 , F02B53/14 , B64D33/02 , F02M35/10 , F02M35/024 , F02B53/00
摘要： An inlet assembly for an auxiliary power unit for an aircraft, including a particle separator and a plenum having first and second inlets. A first duct configured to deliver air to an engine of the auxiliary power unit is in fluid communication with an outlet of the plenum. A second duct configured to deliver air to a compartment containing the auxiliary power unit is in fluid communication with the outlet of the plenum. The assembly is selectively configurable between a first configuration where the plenum is in fluid communication with the environment of the aircraft through the second inlet and through the particle separator, and a second configuration where the plenum is in fluid communication with the environment of the aircraft through the first inlet independently of the particle separator. An auxiliary power unit assembly and a method of feeding air to an auxiliary power unit assembly are also discussed.
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公开(公告)号：US10253726B2
公开(公告)日：2019-04-09
申请号：US15227519
申请日：2016-08-03
发明人： Andre Julien , Jean Thomassin , Maxime Courtois , Bruno Villeneuve , Serge Dussault , Richard Ullyott , Serge LaFortune , Luc Dionne , Anthony Jones , Behzad Hagshenas , David Menheere
IPC分类号： F02K1/38 , F01P5/02 , F02B53/02 , F01C21/18 , F02C7/14 , B64D41/00 , F01C1/22 , F02K5/00 , F02C5/00 , F02C7/18 , F02B63/04 , F02B63/06 , F02B67/04 , F01N3/05 , F01P11/10 , F02K1/82 , F02B53/00
摘要： An engine assembly for an aircraft, including an internal combustion engine having a liquid coolant system in fluid communication with a heat exchanger, an exhaust duct in fluid communication with air passages of the heat exchanger, a fan in fluid communication with the exhaust duct for driving a cooling air flow through the air passages of the heat exchanger and into the exhaust duct, and an intermediate duct in fluid communication with an exhaust of the engine and having an outlet positioned within the exhaust duct downstream of the fan and upstream of the outlet of the exhaust duct. The outlet of the intermediate duct is spaced inwardly from a peripheral wall of the exhaust duct. The engine assembly may be configured as an auxiliary power unit. A method of discharging air and exhaust gases in an auxiliary power unit having an internal combustion engine is also discussed.
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